OITracker Cboe delayed data

Contract OI history

Back to COHR

Mar 19, 2027 EXPIRATION

COHR $155.00 Put

COHR270319P00155000

Latest saved OI181Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $155.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 181900 2026-10-02: 161 OI2026-10-05: 162 OI2026-10-06: 163 OI2026-10-07: 163 OI2026-10-08: 163 OI2026-10-09: 163 OI2026-10-13: 163 OI2026-10-14: 163 OI2026-10-15: 163 OI2026-10-16: 164 OI2026-10-21: 180 OI2026-10-23: 181 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

COHR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing181+1
Oct 21, 2026180+16
Oct 16, 2026164+1
Oct 15, 20261630
Oct 14, 20261630
Oct 13, 20261630
Oct 09, 20261630
Oct 08, 20261630
Oct 07, 20261630
Oct 06, 2026163+1
Oct 05, 2026162+1
Oct 02, 2026161No prior observation